This article describes a summer program for high school graduates planning to enter college and major in mathematics, or natural or health sciences. The program is Piagetian-based and designed to assist the students in preparing for problem solving in college by providing multidisciplinary concrete experiences in science and mathematics. (SA)

Investigated were operative comprehension differences between 239 sixth and eighth grade pupils in activity oriented science programs and 249 students in a textbook oriented science program. Results indicated no differences among sixth graders, but activity oriented eighth graders scored higher than textbook oriented students. (SL)

Findings reveal that students who are skillful in perceptual restructuring attain significantly higher mean achievement scores in science, in knowledge of science, and in the ability to apply what has been learned in unfamiliar contexts than students with low structuring ability. (Author/MA)

Discusses the possibilities of accelerating the rate of cognitive development and describes the design and trial of intervention lessons. Gives preliminary results from one laboratory school indicating that the possibility of accelerating general cognitive development is worth pursuing. (YP)

Discusses some endeavors to alleviate the problems associated with the high school-college interface in Australia. Describes three sources of remedies: high school teachers, high school students, and college students. (YP)